* [PATCH] tools: ynl: handle calloc failure in ynl_ntf_parse
@ 2026-08-18 13:27 Triet Hoang
0 siblings, 0 replies; only message in thread
From: Triet Hoang @ 2026-08-18 13:27 UTC (permalink / raw)
To: netdev; +Cc: donald.hunter, kuba, davem, edumazet, pabeni, horms, Triet Hoang
Check the return value of calloc() before dereferencing the allocated
response structure in ynl_ntf_parse().
Signed-off-by: Triet Hoang <triet.hoang.dev@gmail.com>
---
tools/net/ynl/lib/ynl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/net/ynl/lib/ynl.c b/tools/net/ynl/lib/ynl.c
index 2bcd781111d7..af101544c31a 100644
--- a/tools/net/ynl/lib/ynl.c
+++ b/tools/net/ynl/lib/ynl.c
@@ -889,6 +889,9 @@ static int ynl_ntf_parse(struct ynl_sock *ys, const struct nlmsghdr *nlh)
return YNL_PARSE_CB_ERROR;
rsp = calloc(1, info->alloc_sz);
+ if (!rsp)
+ return YNL_PARSE_CB_ERROR;
+
rsp->free = info->free;
yarg.data = rsp->data;
yarg.rsp_policy = info->policy;
--
2.53.0
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